/Engine/Plugins/Experimental/GameplayGraph/Source/GameplayGraph/Public/Graph/Graph.h
const [TMap](API\Runtime\Core\Containers\TMap)< [FGraphIslandHandle](API\Plugins\GameplayGraph\Graph\FGraphIslandHandle), [TObjectPtr](API\Runtime\Core\Delegates\TObjectPtr)< [UGraphIsland](API\Plugins\GameplayGraph\Graph\UGraphIsland) > > & GetIslands() const